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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Breakfast consumption Clear all
Completed Not applicable Interventional Accepts healthy volunteers Results available

Scavenging of Reactive Carbonyl Species by Dietary Flavonoids in Humans

NCT05773794
View directory record Official record
Conditions
Human Health, Reactive Carbonyl Species, Polyphenols
Interventions
Soymilk, green tea, or blueberry, Control group
Dietary Supplement
Lead sponsor
North Carolina Agriculture & Technical State University
Other
Eligibility
25 Years to 70 Years
Enrollment
48 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023
U.S. locations
1
States / cities
Kannapolis, North Carolina
Source: ClinicalTrials.gov public record
Updated Jun 1, 2026 · Synced Sep 10, 2026, 5:01 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Increasing School Meal Participation

NCT06419218
View directory record Official record
Conditions
Nutrition, Healthy
Interventions
School meal messages, Control (neutral) messages
Behavioral
Lead sponsor
Stanford University
Other
Eligibility
18 Years and older
Enrollment
832 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024
U.S. locations
1
States / cities
Palo Alto, California
Source: ClinicalTrials.gov public record
Updated Jan 30, 2025 · Synced Sep 10, 2026, 5:01 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Postprandial Effects of Fresh Mango as a Table Sugar Replacement in High-Sugar Breakfasts.

NCT07650058
View directory record Official record
Conditions
Healthy Participants
Interventions
High-Glycemic Breakfast Containing Cereal and Fresh Mango, High-Glycemic Breakfast Containing Cereal and Table Sugar
Other
Lead sponsor
Ball State University
Other
Eligibility
18 Years to 45 Years
Enrollment
35 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
1
States / cities
Muncie, Indiana
Source: ClinicalTrials.gov public record
Updated Jun 15, 2026 · Synced Sep 10, 2026, 5:01 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Acute Effect of Egg-Based High Protein Meal on Hypertensive Response to Exercise

NCT03073252
View directory record Official record
Conditions
Blood Pressure, Cardiovascular Risk Factor
Interventions
Normal Protein, HIgh Protein
Other
Lead sponsor
Purdue University
Other
Eligibility
21 Years to 121 Years
Enrollment
31 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017
U.S. locations
1
States / cities
West Lafayette, Indiana
Source: ClinicalTrials.gov public record
Updated Jan 11, 2018 · Synced Sep 10, 2026, 5:01 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Activation of Brain Centers by Short-term Walnut Consumption in Obesity

NCT02673281
View directory record Official record
Conditions
Obesity
Interventions
Walnut shake, Placebo shake
Other
Lead sponsor
Beth Israel Deaconess Medical Center
Other
Eligibility
18 Years to 65 Years
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2023
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Mar 21, 2023 · Synced Sep 10, 2026, 5:01 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Acute Consumption of Pecan-enriched Meal

NCT04849962
View directory record Official record
Conditions
Healthy
Interventions
Control, Pecan
Other
Lead sponsor
University of Georgia
Other
Eligibility
18 Years to 45 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
Athens, Georgia
Source: ClinicalTrials.gov public record
Updated Apr 19, 2021 · Synced Sep 10, 2026, 5:01 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Impacts of Warning Labels on Ultra-Processed Foods

NCT06296355
View directory record Official record
Conditions
Health Behavior, Diet, Healthy
Interventions
Health Warning Label, Identity Warning Label, Barcode Label
Behavioral · Other
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years to 55 Years
Enrollment
4,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Oct 14, 2024 · Synced Sep 10, 2026, 5:01 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Avocado and Postprandial Responses

NCT06818032
View directory record Official record
Conditions
Healthy, Healthy Volunteer, Healthy Volunteers, Healthy Adult, Healthy Male and Female Subjects, Healthy Subjects, Healthy Volunteers Only, Healthy Non-smokers
Interventions
Negative control, Avocado, Fat and fiber addition
Other
Lead sponsor
University of Vermont Medical Center
Other
Eligibility
21 Years to 65 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
Burlington, Vermont
Source: ClinicalTrials.gov public record
Updated Jul 21, 2026 · Synced Sep 10, 2026, 5:01 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Increased Dietary Protein Intake During GLP-1 Medication Use (in Middle-aged Women With Overweight/Obesity)

NCT07480109
View directory record Official record
Conditions
Obesity, Women (Between 30 to 60 Years Old)
Interventions
Protein Rich Foods
Behavioral
Lead sponsor
University of Texas at Austin
Other
Eligibility
30 Years to 60 Years · Female only
Enrollment
75 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
2
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated Jun 8, 2026 · Synced Sep 10, 2026, 5:01 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Effect of Breakfast Consumption on Afternoon Resistance Training Performance

NCT05120440
View directory record Official record
Conditions
Resistance Training, Breakfast
Interventions
Breakfast omission, Breakfast consumption
Other
Lead sponsor
Texas Tech University
Other
Eligibility
18 Years to 40 Years
Enrollment
39 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Lubbock, Texas
Source: ClinicalTrials.gov public record
Updated Aug 8, 2022 · Synced Sep 10, 2026, 5:01 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Scavenging of Reactive Carbonyl Species by Apple Polyphenols in Human

NCT03911050
View directory record Official record
Conditions
Human Health, Polyphenols, Pharmacokinetics
Interventions
Apple consumption, Control group
Dietary Supplement
Lead sponsor
North Carolina Agriculture & Technical State University
Other
Eligibility
18 Years to 70 Years
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018
U.S. locations
1
States / cities
Kannapolis, North Carolina
Source: ClinicalTrials.gov public record
Updated Jul 1, 2026 · Synced Sep 10, 2026, 5:01 PM EDT
Active, not recruiting Not applicable Interventional

Time and Nutrient-Dependent Effects of Aerobic Exercise on Metabolism in Adults (TANDEM Study)

NCT06311487
View directory record Official record
Conditions
Overweight and Obesity, Healthy
Interventions
Fasted-AM, Fed-AM, Fasted-PM, Fed-PM
Behavioral
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years to 40 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Dec 18, 2025 · Synced Sep 10, 2026, 5:01 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effect of Medium Chain Triglyceride Consumption on Appetite

NCT01952977
View directory record Official record
Conditions
Obesity
Interventions
Test breakfast
Dietary Supplement
Lead sponsor
St. Luke's-Roosevelt Hospital Center
Other
Eligibility
19 Years to 50 Years · Male only
Enrollment
17 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2011
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Sep 29, 2013 · Synced Sep 10, 2026, 5:01 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Study to Evaluate the Efficacy of YOUR SUPER Detox Bundle to Improve Perceived Well Being and Promote Adaptation of Healthy Dietary Choices

NCT05303207
View directory record Official record
Conditions
Eating Habit, Healthy Diet
Interventions
YOUR SUPER Detox Bundle
Dietary Supplement
Lead sponsor
Your Super, INC.
Industry
Eligibility
18 Years to 55 Years
Enrollment
38 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022
U.S. locations
1
States / cities
Santa Monica, California
Source: ClinicalTrials.gov public record
Updated Jun 13, 2022 · Synced Sep 10, 2026, 5:01 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

What's Hopping? Cricket Protein and Human Gut Microbiota

NCT03383341
View directory record Official record
Conditions
Healthy
Interventions
Cricket Protein Powder, Placebo control
Dietary Supplement · Other
Lead sponsor
Colorado State University
Other
Eligibility
18 Years to 65 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017
U.S. locations
1
States / cities
Fort Collins, Colorado
Source: ClinicalTrials.gov public record
Updated Apr 3, 2019 · Synced Sep 10, 2026, 5:01 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Mechanistic Effect of Walnut Consumption on Sleep Quality

NCT06430086
View directory record Official record
Conditions
Poor Sleep Quality
Interventions
Walnut consumption, HCHS consumption
Other
Lead sponsor
Columbia University
Other
Eligibility
45 Years to 65 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2026
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jul 30, 2026 · Synced Sep 10, 2026, 5:01 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Validation of Avocatin b as a Biomarker of Food Intake

NCT05009420
View directory record Official record
Conditions
Healthy
Interventions
Avocado
Other
Lead sponsor
Clinical Nutrition Research Center, Illinois Institute of Technology
Industry
Eligibility
25 Years to 70 Years
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Feb 8, 2023 · Synced Sep 10, 2026, 5:01 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effect of Skipping Breakfast on Metabolic Function

NCT02093572
View directory record Official record
Conditions
Skipping Breakfast, Circadian Rhythms
Interventions
3 standard meals/day, 2 meals/day (omit breakfast)
Other
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years to 55 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2017
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Mar 25, 2021 · Synced Sep 10, 2026, 5:01 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effects of Protein and Fiber at Breakfast on Appetite, Blood Sugar, and Cholesterol

NCT02169245
View directory record Official record
Conditions
Brain Activity, Appetite, Ingestive Behavior, Glucose Control, Cholesterol
Interventions
Dietary control of protein and fiber intake at breakfast
Other
Lead sponsor
Purdue University
Other
Eligibility
21 Years to 45 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2015
U.S. locations
2
States / cities
West Lafayete, Indiana • West Lafayette, Indiana
Source: ClinicalTrials.gov public record
Updated Feb 4, 2016 · Synced Sep 10, 2026, 5:01 PM EDT
Completed Not applicable Interventional

Chronobiology of Meal Timing: Effects on Vascular and Renal Function

NCT05987566
View directory record Official record
Conditions
Hypertension
Interventions
Morning meal challenge, Evening meal challenge
Other
Lead sponsor
Virginia Commonwealth University
Other
Eligibility
18 Years to 45 Years
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
Richmond, Virginia
Source: ClinicalTrials.gov public record
Updated Mar 18, 2024 · Synced Sep 10, 2026, 5:01 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Study of the Effectiveness of Breakfast Recommendations On Reducing Body Weight

NCT01781780
View directory record Official record
Conditions
Obesity, Food Habits
Interventions
General Nutrition Recommendations, Breakfast Recommendation, No Breakfast Recommendation
Behavioral
Lead sponsor
David Allison, Phd
Other
Eligibility
20 Years to 65 Years
Enrollment
309 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2014
U.S. locations
4
States / cities
Birmingham, Alabama • Denver, Colorado • Boston, Massachusetts + 1 more
Source: ClinicalTrials.gov public record
Updated Feb 18, 2014 · Synced Sep 10, 2026, 5:01 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Antioxidant Responses to Exercise and Cherry Consumption

NCT03522779
View directory record Official record
Conditions
Dietary Modification
Interventions
Tart cherry Juice, High-fat meal, Exercise
Dietary Supplement · Other
Lead sponsor
University of Georgia
Other
Eligibility
18 Years to 30 Years · Male only
Enrollment
13 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2017
U.S. locations
1
States / cities
Athens, Georgia
Source: ClinicalTrials.gov public record
Updated May 10, 2018 · Synced Sep 10, 2026, 5:01 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Egg Diet to Improve Metabolic Health and Function

NCT02760641
View directory record Official record
Conditions
Obesity
Interventions
Egg-based diet (EBD), Carbohydrate-based diet (CBD)
Other
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
60 Years to 75 Years
Enrollment
34 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2017
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Aug 20, 2017 · Synced Sep 10, 2026, 5:01 PM EDT
Withdrawn Not applicable Interventional Accepts healthy volunteers

Daily Egg Consumption and Cognitive Function in Older Adults

NCT05460624
View directory record Official record
Conditions
Cognition
Interventions
Egg-containing breakfast, Typical American-style breakfast excluding eggs
Other
Lead sponsor
Indiana University
Other
Eligibility
65 Years to 90 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2023
U.S. locations
1
States / cities
Bloomington, Indiana
Source: ClinicalTrials.gov public record
Updated Feb 27, 2023 · Synced Sep 10, 2026, 5:01 PM EDT